Sanyo C29LF34 Service Manual

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Service manual (45 pages)

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SERVICE MANUAL Colour Television

Specifications

Power Source . . . . . . . . .AC110-240V, 50/60Hz.

Colour System . . . . . . . .PAL(M/M, N/N) NTSC(M/M)

Channel Coverage

Antenna mode . .VHF: CH02-CH13, UHF: CH14-CH69

CATV mode . . . .VHF band: CH01-CH13, Mid band: CH14-CH22

Super band: CH23-CH36, Hyper band: CH37-CH64

Ultra band: CH65-CH94 and CH100-CH125

Low mid band: CH95-CH99

Video IF . . . . . . . . . . . . . 45.75MHz

Aerial Input Impedance . . 75W

Ext. Terminals

Video inputs: Phono jack 5 2 (1.0Vp-p, impedance 75W)

S-Video Input 5 1 (Din 4 pin, Separate Y/C Signals Input)

DVD Input: Component Video Jack-Y 5 1 (1.0Vp-p, impedance 75W)

Component Video Jack CB/CR 5 1 (0.7Vp-p, impedance 75W)

Audio inputs:Phono jack (R/L) 5 3 (436mVrms, impedance more than 40KW)

Video monitor outputs: Phono jack 5 1 (1.0Vp-p, 75W)

Audio monitor outputs: Phono jack(R/L) 5 1(436mVrms, Impedance less than

Headphone jack: Mini Stereo jack 5 1

Speakers ......... 5cm 5 12cm 5 4

Sound Output . . . . . . . . . 7.5W + 7.5W

Dimensions

. . . . . . . . . . 750(W) 5 582.5(H) 5 503(D)mm

Weight . . . . . . . . . . . . . .approx. 46.8 Kg

Weight ht . . . .

. .

. . . . . .

approx. 4

Specifications subject to change without notice

C2SM

46.8 Kg

FILE

FILE NO.

E NO

Model No. C29LF34

Service Ref. No. C29LF34-00

AUDIO

VIDEO

MODE

POWER

RECALL

SLEEP

IMAGE

CH▲

VOL

P▲

VOL

P▼

CH▼

MUTE

DISPLAY

SOUND SURROUND

JXMGY

Product Code: 1 113 516 11

Original Version

Chassis Series: FA1-A

Give complete "SERVICE REF. NO." for parts

order or servicing. It is shown on the rating plate

at the cabinet back of the unit.

600W)

This T.V. receiver will not work properly in

foreign countries where the television

transmission system and power source dif-

fer from the design specifications. Refer to

the specification table.

REFERENCE NO.

(Argentina)

5110146

Table of Contents

Summary of Contents for Sanyo C29LF34

Page 1 FILE NO. FILE E NO SERVICE MANUAL Colour Television Model No. C29LF34 (Argentina) Service Ref. No. C29LF34-00 AUDIO VIDEO MODE MODE POWER RECALL SLEEP IMAGE MENU CH▲ P▲ P▼ CH▼ MUTE DISPLAY SOUND SURROUND JXMGY JXMGY Specifications Power Source ..AC110-240V, 50/60Hz.
Page 2: Table Of Contents
Contents Safety Notice ..........2 afety otice .
Page 3: Chassis Block Diagram
Chassis Block Diagrams (MAIN SIGNAL PROCESSING CIRCUIT)
Page 4 Chassis Block Diagrams (SYSTEM CONTROL)
Page 5: Ic Block Diagrams
IC Block Diagrams IC201 < IF/Video/Chroma> QXXAVB629 < IF Video/Chrom > QXXA B6 9 AUDIO EXIT AUDIO H OUTPUT AUDIO DIRECT AF DC H-OSC BLACK PEAK B-Y IN R-Y IN SIF IN DEFLECTION TION HI VCC HI V V CC X TAL 3.58 X TAL 4.43 IF OUT...
Page 6 IC Block Diagrams IC501 < Vertical Output > LA7841 V rtica Ou put > > LA 84 THERMAL PUMP PROTECTION LA7841 IC001 < Sound Output > LA4270 LA4270 Thermal Shutdown Over Voltage Volta Ripple Filter IC301 <COMB Filter> TC9090ANM SECAM LINE VERTICAL CORING...
Page 7 IC Block Diagrams IC3401 <BBE> QBA3880AFS <BB E> Q IC211 NJM2234M C211 NJM2234 Vout Vin3 24 DETL DETR 22 DEFL DEFR 21 VCC – HI MID 20 VCAL BUFFER VCAR 19 L-MIX R-MIX R-OUT L-OUT R-IN L-IN APFR – APFL HPFR BIAS HPFL...
Page 8 IC Block Diagrams IC1001 < AV Selector > MM1313BD C1001 < AV Selector > MM1313BD MTV-V V1-V 34 V COMB V2-V V3-V STV-V V1-Y V2-Y V1-C -6dB 39 C V2-C MTV-L V1-L -6dB V2-L V3-L STV-L MTV-R V1-R 32 R -6dB V2-R 24 R...
Page 9 IC Block Diagrams IC302 QNJM2233BD C302 33BD D Vout BUFFER Vin1 Vin2 IC7905 <DAC> QCXA1315P SLAVE ADDRESS SELECT SW IN/OUTPUT SAD2 SAD1 SAD0 SW0~3 9 10 LEVEL LEVEL LATCH CONVERT CONVERT C BUS LEVEL CONVERT C DECODER Power Reset LATCH LATCH LATCH LATCH...
Page 10 IC Block Diagrams IC3401 < MTS Decoder, Audio Control & Switch> UPC1851BCU C3401 TS Decoder, Audi Control & Switch> UP Power Supply Analog Ground Volume Control Block L-channel Offset Absorption 2.2μF R-channel Offset Absorption 0.022μF L-channel Capacity of High Frequency R-channel Capacity of Tone Control Block High Frequency Band Width...
Page 11: Service Adjustments
Service Adjustments MAIN BOARD AI BOARD TELETEXT BOARD T611 Q613 CONVERTER POWER. OUT SECAM BOARD TRANS. Q612 POWER. DRIVE Pincushion Adjustment B-Voltage Supply Adjustment FOCUS ADJUSTMENT PINCUSHION ADJUSTMENT (1) Receive PAL cross hatch pattern. (1) Receive the cross hatch pattern signal. (2) Select ”FUERTE”...
Page 12: Service Mode Adjustments
Service Mode Adjustments [1] Bus Data Adjustments [1] B Bus Data Adjustments Note: The CPU (IC801) and memory IC (IC802) store the service adjustments data and controls data for each circuit. When the Memory IC(IC802) is replaced, some of the service adjustments should be readjusted to obtain the best performance.
Page 13: Service Mode Adjustments
Service Mode Adjustments [Entering to Bus Data Adjustment Mode] Ente ng t o Bu s Da ta A djus ode] Press and hold the MENU button on the TV set and press the 2 button on the remote control handset. Following he ME NU b utto...
Page 14 Service Mode Adjustments [Bus Data Adjustment] Adju ent] Item 44 [OP1] Option setting-1 Item m 44 OP1] on s s etti Item 04 [OSD] OSD POSITION OSD] D PO The microprocessor used in this model is a multi-purpose (1) Receive the monochrome circular pattern. type and is used in several different models.
Page 15 Service Mode Adjustments Items 18-24 GREY SCALE Item 18-2 24 G (1) Receive the monochrome circular pattern. (1 1 ) Rec ve the ochro me c patte (2) Set the brightness and colour to normal, contrast to maximum. (3) Enter to the service mode. (4) Set each value of Item-18 RBI, 19 GBI, 20 BBI mode to 00.
Page 16 Service Mode Adjustments ROM Correction M Co ecti Go into the service mode and setup the data from Item No. 100 to 172 as follows. If these program code is wrong, the Go into o the s rvice and setup e ata fr m I em N .
Page 17 Service Mode Adjustments [2] MTS Adjustments 2] M Following table shows the initial values of MTS Adjustment which have been stored in the CPU ROM. ollowin s th initi TS Adj PU R Item Initial value Range INPUT LEVEL 00~63 STEREO VCO 00~63 FILTER...
Page 18 Service Mode Adjustments [MTS Adjustments] stme nts] SOUND LEVEL ADJUSTMENT JUSTMENT 1. Input monaural sound signal (400Hz, 25KHz Div.)from the TPHIGH MTS BOARD antenna terminal. 2. Connect a DC Volt-Meter to TPLOW (on the MTS unit) and the ground. 3. Switch the TV set on. Press and hold the MENU button on the TV set, and press IC3401 “3”...
Page 19 Service Mode Adjustments MTS FILTER ADJUSTMENT FILT ER A ADJU 1. Connect a signal generator to + side of C3407 and the 1. . Conn ct a s gene rator de o 34 7 an the ground. 1M ohm Resistor Signal output=15.734KHz, 100mVrms.
Page 20 Service Mode Adjustments 5. Adjust level of 300Hz at TPLOW to become minimum Adju st lev of 30 0Hz a t TPL inim TPLOW Minimum leakage Mini eaka level by pressing the VOLUME(+/ -) button on the remote level l by pr sing he V OLUM...
Page 21: Service Mode Adjustment
Service Mode Adjustment [3] Fine Tuning Service Menu [3] F ce M This adjustment is used to do a fine tuning of the channels with poor reception after they have been stored by the This ad stme t is sed t o do tunin he ch nnels...
Page 22: Purity And Convergence Adjustment
Purity and Convergence Adjustment CAUTION: The Convergence and Purity adjustments have been made at the factory. Readjustment CAUT TION Conv erge Purit y ad ustm ents at the ory. Read djust ment should be made only after picture tube or deflection yoke replacement, following the steps below: shoul ld be made...
Page 23 Purity and Convergence Adjustment CONVERGENCE ADJUSTMENT Figure 5 Preparation: After carrying out purity adjustment and Prepara on: A arryin g out adjus me t and before proceeding to convergence adjustment, provisionally insert the rubber wedge so that there is no vertical or sideways play in the deflection yoke.
Page 24: Mechanical Disassembles
Mechanical Disassembles CABINET BACK REMOVAL K RE CHASSIS REMOVAL 1. Refer to Figure 1, remove 12 screws. 1. Refe er to Fi e 12 s 1. Remove cabinet back. Remo ack. 2. Pull off cabinet back and remove. 2. Pull o off cab et bac remov...
Page 25: Cabinet Parts List
610 286 9781 RC-BATTERY LID 610 284 7741 DOOR COVER 645 004 5493 ANTENNA MATCHING BOX 610 284 7765 DEC SHEET DOOR 645 039 1866 BADGE,SANYO 610 287 6628 INSTRUCTIONS MANUAL 610 284 5990 CABINET FRONT 610 284 7833 SPRING PLATE -25-...
Page 26: Chassis Electrical Parts List
Chassis Electrical Parts List C2SM Product safety should be considered when a component replacement is made in any area of a receiver. Produ uct sa y sho uld b e con sidere d wh en a c nent eplac ade i n any area f a r...
Page 27 C2SM Ref. No. Part No. Part N Description escr tion Ref. No. Part No. Part N Description escrip 405 012 2002 2 20 TR 2SC1815-GR 405 020 7907 5 02 7907 TR 2SC945A-RA 2SC9 5A R 405 012 2101 TR 2SC1815-O Q7907 405 011 8401 TR 2SC1740S-Q...
Page 28 C2SM Ref. No. Ref f . No. Part No. Part Description escr ption Ref. No. Part No. Part N Description scri tion 405 157 0505 405 1 TR 2SC536NF-NPA R 2SC INTEGRATED CIRCUIT RCUIT 405 151 8705 TR 2SC536NG-NPA IC1001 409 419 5406 IC MM1313BD 405 020 7501...
Page 29 C2SM Ref. No. Part No. Part N Description escr tion Ref. No. Part No. Part N Description escrip R1007 R100 401 105 2706 5 27 MT-GLAZE 220 JA 1/16W 20 JA 1 R7915 401 105 0603 1 10 0603 MT-GLAZE GLAZ 10K JA 1/16W 10K J...
Page 30 C2SM Ref. No. f. No. Part No. Part Description escr ption Ref. No. Part No. Part N Description scri tion D1307 D130 407 099 6607 ZENER DIODE MTZJ12B MTZJ 610 286 0627 ASSY,PWB,SOCKET C2SM 27 A T C2 407 054 3207 ZENER DIODE RD12EB2 1AA0B10E604C0 D1308...
Page 31 C2SM Ref. No. Part No. Part N Description escr tion Ref. No. Part No. Part N Description escrip 405 020 7709 0 77 TR 2SC945A-QA 405 020 7907 5 02 7907 TR 2SC945A-RA 2SC9 5A R 405 020 7907 TR 2SC945A-RA Q782 406 009 9509 TR 2SC4544...
Page 32 C2SM Ref. No. f. No. Part No. Part Description escr ption Ref. No. Part No. Part N Description scri tion R1727 R172 401 012 3506 401 0 CARBON ARBON 10 JB 1/4W D1742 407 012 4406 07 01 2 44 DIODE 1SS133 S133 R1728...
Page 33 C2SM Ref. No. Part No. Part N Description escr tion Ref. No. Part No. Part N Description escrip 405 006 1707 6 17 TR 2SA933S-Q Q219 405 026 8205 5 02 8205 TR 2SK212-D-SPA 2SK2 405 006 1806 TR 2SA933S-R 405 026 8403 TR 2SK212-E-SPA Q211...
Page 34 C2SM Ref. No. Ref f . No. Part No. Part Description escr ption Ref. No. Part No. Part N Description scri tion 405 020 7501 TR 2SC945A-PA R 2SC Q886 405 011 8401 05 01 1 84 TR 2SC1740S-Q 40S- 405 020 7709 TR 2SC945A-QA 405 011 8500...
Page 35: V2-V
C2SM Ref. No. Part No. Part N Description escr tion Ref. No. Part No. Part N Description escrip C246 C246 403 049 0008 9 00 ELECT 1U M 404 072 5602 4 07 5602 MT-POLYEST POLY 0.1U M 0 1U 250V C247 403 215 2409...
Page 36 C2SM Ref. No. f. No. Part No. Part Description escr ption Ref. No. Part No. Part N Description scri tion R1101 R110 401 007 7601 401 0 CARBON ARBON 150 JA 1/2W R232 401 105 2805 01 10 5 28 MT-GLAZE 2.2K JA 1/16W JA 1/...
Page 37 C2SM Ref. No. Part No. Part N Description escr tion Ref. No. Part No. Part N Description escrip R524 R524 401 065 6707 5 67 OXIDE-MT 150 JA R850 401 105 4601 1 10 4601 MT-GLAZE GLAZ 3.9K JA 1/16W 9K J A 1/ R527...
Page 38 C2SM Ref. No. f. No. Part No. Part Description escr ption Ref. No. Part No. Part N Description scri tion L511 L511 610 210 3908 610 2 PEAKING COIL 33UHK AKIN 407 054 0008 07 05 4 00 ZENER DIODE RD10EB2 D10E 645 001 5748 INDUCTOR,33U K...
Page 39 C2SM Ref. No. Part No. Part N Description escr tion Ref. No. Part No. Part N Description escrip 610 012 0655 2 06 CRYSTAL OSCILLATOR R3406 401 256 8008 1 25 8008 MT-FILM FILM 16.5K FD 5K F 1/6W X212 645 001 6172 OSC,CRYSTAL 3575.611KHZ R3407...
Page 40 C2SM Ref. No. Ref f . No. Part No. Part Description escr ption Ref. No. Part No. Part N Description scri tion 405 012 2309 TR 2SC1815-Y R 2SC 405 011 8500 05 01 1 85 TR 2SC1740S-R 40S- 405 157 0505 TR 2SC536NF-NPA 405 011 8609 TR 2SC1740S-S...
Page 41 C2SM Ref. No. Part No. Part N Description escr tion Ref. No. Part No. Part N Description escrip C002 C002 403 057 3107 7 31 POLYESTER 0.1U K C3407 403 149 9208 3 14 9208 CERAMIC AMIC 0.01U Z 403 181 8207 POLYESTER 0.1U K C3408...
Page 42 C2SM Ref. No. f. No. Part No. Part Description escr ption Ref. No. Part No. Part N Description scri tion R313 R313 401 105 0405 401 1 MT-GLAZE T-GLA 100 JA 1/16W A 1 16W L313 645 008 5222 45 00 8 52 DELAY LINE R314...
Page 43 IC3801 IF SIGNAL PROCESSOR A101 TUNER IC802 MEMORY IC201 IF/VIDEO/CHROMA VIDEO SW IC291 SOLDER SIDE IC501 VERT. OUT IC1601 RECTIFIER TV/AV CTION VOL.- VOL.+ POS.- POS.+...
Page 44 IC7901 TINT/COLOUR CONTROL IC7905 IC1001 AV SELECTOR...
Page 45 A14800 Jun. /’01 NEWSAN S. A. Una empresa del grupo SANYO Electric Co.

Sanyo C29LF34 Service Manual

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